18344179

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 22867488

約数和(自身を除く): 4523309

約数列:

[1, 7, 23, 41, 49, 161, 287, 397, 943, 1127, 2009, 2779, 6601, 9131, 16277, 19453, 46207, 63917, 113939, 374371, 447419, 797573, 2620597, 18344179]

約数ペア:

[(1, 18344179), (7, 2620597), (23, 797573), (41, 447419), (49, 374371), (161, 113939), (287, 63917), (397, 46207), (943, 19453), (1127, 16277), (2009, 9131), (2779, 6601)]